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MetadataOnlyCodegenBackend: run the collector only once #57418
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Jan 8, 2019
This will not have any perf change, because this is not the llvm codegen backend, but a backend only emitting metadata introduced in #44085. You have to pass
Edit: correct debug flag.
Since the results of the method calls in the loop are not used, I assume the calls are only there for triggering diagnostics.
As far as I know it hasn't really been used by anyone (including me). It can be removed if you want.